Species Details

Calochortus monanthus

single-flowered mariposa-lily

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Scientific Name:
Calochortus monanthus Ownbey
Common Name:
single-flowered mariposa-lily
Family: Liliaceae
Element Code: PMLIL0D0W0
USDA Plants Symbol: CAMO2
Synonyms/Other Names:
Lifeform: perennial bulbiferous herb
Blooming Period: Jun
JFMAMJJASOND
Elevation:
745 - 800 meters
2445 - 2625 feet
General Habitats:
  • Meadows and seeps
Microhabitat Details:
Microhabitat:
Notes:
Known only from the type collection (in 1876) along the Shasta River, now mostly converted to agriculture. Rediscovery attempts unsuccessful. See Annals of the Missouri Botanical Garden 27:371-560 (1940) for original description.
Threats:
Taxonomy:
Threat List Total: 2
Total EOs % of EOs
EOs with Threat Listed: 1 100 %
THREAT LIST:
Grazing 1 100%
Non-native plant impacts 1 100%
Total Occurrences: 1
Element Occurrence Ranks:
A B C D X U
0 0 0 0 0 1
Occurrence Status:
Historical >20 Years 1
Recent <=20 Years 0
Presence:
Presumed Extant 1
Possibly Extirpated 0
Presumed Extirpated 0
California Endemic:
California Island:
States: Name (Code)
California (CA)
California Counties and Islands: Name (Code)
Siskiyou (SIS)*
Quads: Name (Quad Code)
Hawkinsville (4112275)*, Montague (4112265)?*
Notes:
Definitions of codes following a county and/or quad:
* Presumed extirpated
(?) Occurrence confirmed, but possibly extirpated
Quad and county data is imported from the CNDDB. Species may be present in other areas where conditions are favorable. These data should NOT be substituted for pre-project review or for on-site surveys.
Presumed Extant
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